2. In Geometry --> geosphere create a sphere sized 132 (it is not important what size it will be, it's up to you to decide)
3. Duplicate it twice increasing the size by 1% with each duplicating
4. The final sequense of spheres will be named accordingly: surface-the
surface of the planet; cloud-the layer of clouds(if you want a more
realistic view, create several layers); atmosphere-the atmosphere.

The atmosphere in the picture should only be shown by bluish thin rim, therefore gradient maps will play the main role:
In Diffuse Color bookmark create Gradient Ramp material setting it like
in the picture below. Your atmosphere depends on the color you choose.
In Opacity bookmark also create Gradient Ramp material, here only
monochrome shades of gray are used. It is desirable that the white
color stripe coincides. This will be the reflection in the atmosphere.

And there is only one map left which defines the reflecting regions of Fallout: